NNJAWarfare

This is my mod I'm updating from ModLoader to Forge: http://www.planetminecraft.com/mod/modloader-unnecessary-explosions-mod/ Basically when a mob/entity does something (such as a chicken laying an egg, an arrow hits something) it generates an explosion. So it's pretty much finding where these events happen in the base code and adding an explosion.

The mod I'm making (I should say updating from ModLoader to Forge) isn't exactly the kind of mod you use with other mods. It's more of a mod that you screw around with and have fun, nothing too serious. Even if it's the only mod installed, will I still have to use ASM? I've also been told that using an event handler (ex: MinecraftForge.EVENT_BUS.register(new EntityLivingHandler()); ) can be used instead of changing vanilla files. Should I use something like that instead?

Hi, I used to mod Minecraft using ModLoader and it let you change something in the games vanilla files (like EntityCreeper.java, for example) and it would change it when you installed the mod. I was just wondering, is there a way to do this in forge? I have changed something in the vanilla file and it works in the eclipse run option but when I install the mod into the actual game, the changes are not there.